899221960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:688

約数の個数: 192

約数和(自身を含む): 2588820480

約数和(自身を除く): 1689598520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 169, 182, 217, 248, 260, 280, 310, 338, 364, 403, 434, 455, 520, 613, 620, 676, 728, 806, 845, 868, 910, 1085, 1183, 1226, 1240, 1352, 1612, 1690, 1736, 1820, 2015, 2170, 2366, 2452, 2821, 3065, 3224, 3380, 3640, 4030, 4291, 4340, 4732, 4904, 5239, 5642, 5915, 6130, 6760, 7969, 8060, 8582, 8680, 9464, 10478, 11284, 11830, 12260, 14105, 15938, 16120, 17164, 19003, 20956, 21455, 22568, 23660, 24520, 26195, 28210, 31876, 34328, 36673, 38006, 39845, 41912, 42910, 47320, 52390, 55783, 56420, 63752, 73346, 76012, 79690, 85820, 95015, 103597, 104780, 111566, 112840, 133021, 146692, 152024, 159380, 171640, 183365, 190030, 207194, 209560, 223132, 247039, 266042, 278915, 293384, 318760, 366730, 380060, 414388, 446264, 494078, 517985, 532084, 557830, 665105, 725179, 733460, 760120, 828776, 988156, 1035970, 1064168, 1115660, 1235195, 1330210, 1450358, 1466920, 1729273, 1976312, 2071940, 2231320, 2470390, 2660420, 2900716, 3211507, 3458546, 3625895, 4143880, 4940780, 5320840, 5801432, 6423014, 6917092, 7251790, 8646365, 9881560, 12846028, 13834184, 14503580, 16057535, 17292730, 22480549, 25692056, 29007160, 32115070, 34585460, 44961098, 64230140, 69170920, 89922196, 112402745, 128460280, 179844392, 224805490, 449610980, 899221960]

約数ペア:

[(1, 899221960), (2, 449610980), (4, 224805490), (5, 179844392), (7, 128460280), (8, 112402745), (10, 89922196), (13, 69170920), (14, 64230140), (20, 44961098), (26, 34585460), (28, 32115070), (31, 29007160), (35, 25692056), (40, 22480549), (52, 17292730), (56, 16057535), (62, 14503580), (65, 13834184), (70, 12846028), (91, 9881560), (104, 8646365), (124, 7251790), (130, 6917092), (140, 6423014), (155, 5801432), (169, 5320840), (182, 4940780), (217, 4143880), (248, 3625895), (260, 3458546), (280, 3211507), (310, 2900716), (338, 2660420), (364, 2470390), (403, 2231320), (434, 2071940), (455, 1976312), (520, 1729273), (613, 1466920), (620, 1450358), (676, 1330210), (728, 1235195), (806, 1115660), (845, 1064168), (868, 1035970), (910, 988156), (1085, 828776), (1183, 760120), (1226, 733460), (1240, 725179), (1352, 665105), (1612, 557830), (1690, 532084), (1736, 517985), (1820, 494078), (2015, 446264), (2170, 414388), (2366, 380060), (2452, 366730), (2821, 318760), (3065, 293384), (3224, 278915), (3380, 266042), (3640, 247039), (4030, 223132), (4291, 209560), (4340, 207194), (4732, 190030), (4904, 183365), (5239, 171640), (5642, 159380), (5915, 152024), (6130, 146692), (6760, 133021), (7969, 112840), (8060, 111566), (8582, 104780), (8680, 103597), (9464, 95015), (10478, 85820), (11284, 79690), (11830, 76012), (12260, 73346), (14105, 63752), (15938, 56420), (16120, 55783), (17164, 52390), (19003, 47320), (20956, 42910), (21455, 41912), (22568, 39845), (23660, 38006), (24520, 36673), (26195, 34328), (28210, 31876)]